Rob Landley | 7a4551f | 2012-02-21 21:27:10 -0600 | [diff] [blame^] | 1 | #!/bin/bash |
| 2 | |
| 3 | if [ $# -ne 2 ] |
| 4 | then |
| 5 | echo "usage: bloatcheck old new" |
| 6 | exit 1 |
| 7 | fi |
| 8 | |
| 9 | addline() |
| 10 | { |
| 11 | NEXT="$(printf "%s% $((50-${#LASTNAME}))d% 10d %10d" "$LASTNAME" "$OLD" "$NEW" "$DELTA")" |
| 12 | [ -z "$STUFF" ] && |
| 13 | STUFF="$NEXT" || |
| 14 | STUFF="$(printf "%s\n%s" "$STUFF" "$NEXT")" |
| 15 | } |
| 16 | |
| 17 | diff <(nm --size-sort "$1" | sort -k3,3) \ |
| 18 | <(nm --size-sort "$2" | sort -k3,3) | grep '^[<>]' | sort -k4,4 | \ |
| 19 | ( |
| 20 | LASTNAME= |
| 21 | DELTA=0 |
| 22 | TOTAL=0 |
| 23 | OLD=0 |
| 24 | NEW=0 |
| 25 | STUFF= |
| 26 | |
| 27 | printf "name% 46s% 10s% 11s\n" old new delta |
| 28 | echo "-----------------------------------------------------------------------" |
| 29 | while read a b c d |
| 30 | do |
| 31 | THISNAME=$(echo " $d" | sed 's/[.][0-9]*$//') |
| 32 | |
| 33 | if [ "$LASTNAME" != "$THISNAME" ] |
| 34 | then |
| 35 | TOTAL=$(($TOTAL+$DELTA)) |
| 36 | [ $DELTA -ne 0 ] && addline |
| 37 | LASTNAME="$THISNAME" |
| 38 | DELTA=0 |
| 39 | OLD=0 |
| 40 | NEW=0 |
| 41 | fi |
| 42 | |
| 43 | SIZE=$(printf "%d" "0x$b") |
| 44 | if [ "$a" == "<" ] |
| 45 | then |
| 46 | OLD=$(($OLD+$SIZE)) |
| 47 | SIZE=$((-1*$SIZE)) |
| 48 | else |
| 49 | NEW=$(($NEW+$SIZE)) |
| 50 | fi |
| 51 | DELTA=$(($DELTA+$SIZE)) |
| 52 | done |
| 53 | |
| 54 | TOTAL=$(($TOTAL+$DELTA)) |
| 55 | [ $DELTA -ne 0 ] && addline |
| 56 | |
| 57 | echo "$STUFF" | sort -k4,4nr |
| 58 | echo "-----------------------------------------------------------------------" |
| 59 | printf "% 71d total\n" "$TOTAL" |
| 60 | ) |